/*-------------------------------------------------------------------------
 *
 * prs2lock.h
 *      data structures for POSTGRES Rule System II (rewrite rules only)
 *
 * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/rewrite/prs2lock.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef PRS2LOCK_H
#define PRS2LOCK_H

#include "access/attnum.h"
#include "nodes/pg_list.h"

/*
 * RewriteRule -
 *      holds an info for a rewrite rule
 *
 */
typedef struct RewriteRule
{
    Oid            ruleId;
    CmdType        event;
    Node       *qual;
    List       *actions;
    char        enabled;
    bool        isInstead;
} RewriteRule;

/*
 * RuleLock -
 *      all rules that apply to a particular relation. Even though we only
 *      have the rewrite rule system left and these are not really "locks",
 *      the name is kept for historical reasons.
 */
typedef struct RuleLock
{
    int            numLocks;
    RewriteRule **rules;
} RuleLock;

#endif                            /* REWRITE_H */
